NVIDIA GeForce 940M vs NVIDIA GeForce GT 650M

VS

NVIDIA GeForce 940M NVIDIA GeForce GT 650M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 1024MB VRAM GeForce GT 650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 940M 's Advantages

Released 3 years late

Boost Clock has increased by 16% (1098MHz vs 950MHz)

More VRAM (2GB vs 1GB)

128 additional rendering cores

NVIDIA GeForce GT 650M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

GeForce 940M +53%

1.124 TFLOPS

GeForce GT 650M

0.73 TFLOPS

GeForce 940M

VS

GeForce GT 650M

Graphics Card

Mar 2015

Release Date

Mar 2012

GeForce 900M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1020 MHz

Base Clock

835 MHz

1098 MHz

Boost Clock

950 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

Compute Units

-

512

Shading Units

384

32

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

Theoretical Performance

17.57 GPixel/s

Pixel Rate

7.600 GPixel/s

35.14 GTexel/s

Texture Rate

30.40 GTexel/s

-

FP16 (half)

-

1124 GFLOPS

FP32 (float)

729.6 GFLOPS

35.14 GFLOPS

FP64 (double)

30.40 GFLOPS

Graphics Processor

GM107

GPU Name

GK107

N16S-GT1-KB-B

GPU Variant

N13P-GT-A2

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.27 billion

148 mm²

Die Size

118 mm²

Board Design

75W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.0

5.1

Shader Model

5.1

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